2 examples I was fortunate enough to profit from. I don't think either of these were teck, but it's my understanding that teck has established a record of being fair to deal with.

Grand Cache Coal - bought for about $0.40, sold for $2.50

Peregrine resouces - bought for about $0.40, sold for $2.50

I would hope for more than a 500% premium for our property, but it certainly happens and would not say it's all that rare. It has been rare in recent years because of the commodity market and world economy, but I think we're starting to see some interest again in juniors and the world will need copper again.